单词 | diffraction |
释义 | Word Frequency diffraction(dɪˈfrækʃən) noun 1. physics a deviation in the direction of a wave at the edge of an obstacle in its path 2. any phenomenon caused by diffraction and interference of light, such as the formation of light and dark fringes by the passage of light through a small aperture 3. deflection of sound waves caused by an obstacle or by nonhomogeneity of a medium Word origin C17: from New Latin diffractiō a breaking to pieces, from Latin diffringere to shatter, from dis- apart + frangere to break |
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